I use plastic coffee cans, pie tins, aprons, scrub top pockets, plastic utility pails, feed bowls, my lunch box, planter pots, grocery bags, Frisbees, my purse, paint trays, coffee cups, the bottom of the water font, my coat pockets, my hat, my bra, my shirt tucked into my pants, the worm box, the wheel burro, the wagon, the cricket baggie, feed bag, feed scooper, dog bowl, and literally any other vessel available at the moment.
I have admired wire and wicker collection baskets but none have made it into my shopping cart. Use what ever charms you. If you choose not to refrigerate your eggs because of the benefits there in, know that refrigerated eggs break down structurally 7x slower than at room temperature. (They get runny whites and flat, thin yolks-- texturally less desirable for my taste. I only leave the eggs out that will be eaten soon after gathering). So if the reason you are asking about gathering tools is because you wish to store them in the same container it may matter. I would choose metal for the circulation.
In using anything on hand I have had some mishaps, of course. I would say if you are gentle with the eggs, firm vessels like bowls and pans are least likely to lend themselves to smashes in transport. Softer items like wicker baskets would cushion the initial drop into the basket but as soon as there are other eggs to collide this feature is played out. Realizing that care should be exercised, I have rarely cracked an egg on collection by dropping into a firm container, but I have done so egg to egg. The warmest eggs seem to be softer. Makes sense why. I would caution one against battling an ornery rooster with eggs in your pocket. Oh YUCK! Same goes for carrying heavy items with eggs in your pockets. You would think that would be a no brainer but once you have carefully succeeded so many times with eggs in your pockets it becomes somewhat of an automatic thing and one can get distracted. I once made it safely to work with forgotten eggs in my coat pocket only to smash them against a cabinet as I slung my coat over a chair. Gross! That was fun. All pockets have been carefully monitored since that time.
I hope this helps or at the very least, amuses.
Cheers!
KatD